28180677

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{8887}}^1$

素因数の和:9048

約数の個数: 16

約数和(自身を含む): 43231232

約数和(自身を除く): 15050555

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 8887, 26661, 62209, 186627, 1341937, 4025811, 9393559, 28180677]

約数ペア:

[(1, 28180677), (3, 9393559), (7, 4025811), (21, 1341937), (151, 186627), (453, 62209), (1057, 26661), (3171, 8887)]